помогите решить A3!!!!!!!!!!. Created by lep111. algebra-ru

помогите решить A3!!!!!!!!!!...

lep111 @lep111

July 2022 2 11 Report

помогите решить A3!!!!!!!!!!

m11m

Verified answer

!!!!!!!!!!!!!!!!!!!!!!!!

1 votes Thanks 1

DNHelper

Verified answer

Координата вершины параболы по x находится по формуле $x_{0} = - \frac{b}{2a}$ . a = 1, x₀ = -2, тогда $b = -2ax_{0} = -2 * 1 * (-2) = 4$
Имея x₀, y₀, a и b, найдём c.
$c = y - ax^2 - bx = 3 - 1 * (-2)^2 - 4 * (-2) = 3 - 4 + 8 = 7$
Тогда b + c = 4 + 7 = 11

Ответ: 2) 11

0 votes Thanks 1

Answers & Comments

Verified answer

Verified answer

pomogite sostavit predlozheniya so slovosochetaniyami na temu okruzhayushaya sreda 1e5cc906f57e3243fedaece51ccdb62bc 74351

pomogite reshit tri zadaniya4a2ef24ccbeee89a3d12bcad6cc23ab6 20431

pomogite reshit 2 zadanie6aa9e9745043b29ede8fc88da6203904 87977

pomogite reshit 1 2 i 3 zadaniya

pomogite reshit 1 zadanieb1340f019895cde4853617907fc13194 53662

pomogite sostavit predlozheniya so slovosochetaniyami na temu okruzhayushaya sreda 1

pomogite pozhalujsta sostavit predlozheniya 3 conditionpollusion sostavit predl

pomogite reshit primer log3 5 log5 3

pomogite reshit uravnenied7a19ad65a44a6b06fb10f142734c8a7 79278

4...

рекомендуемые вопросы

Helpful Links

Helpful Social